Turn button fastener



4 H. J'. MURPHY 2,382,943 TURN BUTTON FASTENER 1 Filed July 5, 1945 1 l8 15- l V 4.: I I3 I I 31 wanton I 5 fl'awaf'cbel Hui-" 7213.

Patented Aug. 14, 1945 TURN BUTTON FASTENER 7 Howard J. Murphy,Greenwood, Mass, assignor to United-Carr Fastener Corporation,Cambridge, Mass., a corporation of Massachusetts Application July 5,1943, Serial No. 493,616

2 Claims.

The present invention relates to turn button fasteners, such as thosenow used as curtain fasteners, and aims generally to improve fastenersof this type.

One of the primary objects of the invention is the provision of a strongdurable turn button fastener having a minimum of its parts of sheetmetal construction and others of its parts of molded plastic material.

A further aim of the invention is the provision of an improved fastenerof novel construction formed of a minimum number of parts and which maybe readily manufactured and assembled at a minimum of cost.

Other aims and advantages of the invention will appear from thefollowing more detailed specification of a preferred embodiment of theinvention, reference being had to the accompanying drawing, in whichFig. l is a front elevation of the improved fastener, a part thereofbeing shown in section better to illustrate the construction;

Fig. 2 is an edge elevation thereof;

Fig. 3 is a top plan View thereof;

Fig. 4 is a bottom plan view thereof; and

Fig. 5 is a vertical sectional view taken on the line 55 of Fig. 1 withthe fastener illustrated attached to a supporting fabric.

Referred to the drawing, my improved fastener may advantageouslycomprise a main body part III, formed of thin sheet material such asmetal which is suitably stamped to a proper form, preferably anelliptical form, as shown in Figs. 3 and 4. The body part is of hollowconstruction and has an outwardly flared depending skirt or base II fromthe edge of which extend a plurality of attaching prongs l2, there beingtwo prongs illustrated in the preferred form.

The body part III is formed at its upper end with a longitudinallyextending grooved top 13 formed with a central aperture, the oppositesides of the top l2 having transversely extending concaved seats orgrooves I4. As will be apparent from the drawing, the body part I0 withthe at-. taching prongs I2 is preferably of a one-piece construction.

The turn button part is preferably of two-part construction comprising abody [5 and awear plate l5 having a convexed surface adapted to seat inthe grooves l4 of the body I0. The body I5 is preferably molded orformed from a suitable non-metallic material, such as a syntheticplastic composition. For example, any of the synthetic plastics may beemployed, either the thermoplastic or thermo-setting composition, andpreferably a plastic composition is selected that will adhere to themetal wear plate I6 under molding pressure, such as polystyrenecompositions. The sides and ends of the molded body part may taperslightly from the periphery of the wear plate to form a rounded enteringnose end ll. The molded body 15 as well as the wear plate [6 is formedwith an axial opening l8 extending entirely therethrough.

The turn button part is conveniently attached to the hollow body I0 andheld in tensional engagement therewith by means of a pin I9 extendingthrough the opening l8 and into the hollow body for a substantialdistance and formed with a rounded head 20 to engage the fiat end of themolded turn button body l5. A leaf spring 2| of generally U-shaped form,having an apertured bight portion 22 and opposed S-shaped legs, isfitted in the hollow interior of the body II] with the ends of thespring legs abutting the inner face of the upper body end I3. The end ofthe pin l9 extends through the aperture of the bight portion 22 of thespring 2| and is upset, as at 23, over the under surface thereof tosecure the parts together in tensional engagement.

In attaching the fastener to a support which may be a sheet of fabric,leather, wood or the like, the prongslZ are forced through the support S(see Fig. 5) and are then clenched inwardly in overlying relationship.In this position they lie within the sides of the base H andsubstantially flush with the bottom edges thereof. The hollow body H! isthus securely attached to the support S and the turn button body l5 maybe manually turned around the pin [9 relative to the body I 0 so as tobe seated in the transverse grooves Id of the body l3.

The provision of a fastener having a molded turn button of plasticcomposition as described, not only provides a button of pleasingappearance, but one which is pleasant to the touch as well as economicalof manufacture.

Although I have illustrated and described a preferred form of myinvention, I do not wish to be limited thereby because the scope of myinvention is best defined by the following claims.

I claim:

*1. A turn button fastener comprising metal stationary part adapted tobe attached to an object of support, a rotatable head carried thereby,said head comprising a body of molded polystyrene composition and asheet metal wear plate embedded in that end thereof which bears againstsaid stationary part, a spring member and a pin member passed throughsaid head, stationary part and spring member for securing said partstogether in tensional relationship.

2. A turn button fastener comprising a stationary part adapted to beattached to an objectof support, a rotatable head of plastic compositioncarried by said support, cooperating cam portions provided between thestationary part and rotatable head for holding the parts inpredetermined rotated relations, a spring member, a pin member passedthrough said head, stationary part and spring member for securing theparts together in tensioned relation and a wear plate interposed betweenthe -rotatable head and the stationary part to prevent Wear of theplastic head otherwise caused by a constant relative rotation of theparts.

HOWARD J. MURPHY.

